You know sudo, right? You must have used it at some point in the time.For most Linux users, it is the magical tool that gives you the ability to run any command as root or switch to the root user.But that's only half-truth. See, sudo is not an absolute command. sudo is a tool that can be configured to your need and liking.Ubuntu, Debian and other distros come preconfigured with sudo in a way that allows to them to run any command as root. That makes many users believe...